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"""This module provides a set of helper functions being used across different components
of kedro package.
"""
import importlib
from typing import Any


def load_obj(obj_path: str, default_obj_path: str = "") -> Any:
    """Extract an object from a given path.

        Args:
            obj_path: Path to an object to be extracted, including the object name.
            default_obj_path: Default object path.

        Returns:
            Extracted object.

        Raises:
            AttributeError: When the object does not have the given named attribute.

    """
    obj_path_list = obj_path.rsplit(".", 1)
    obj_path = obj_path_list.pop(0) if len(obj_path_list) > 1 else default_obj_path
    obj_name = obj_path_list[0]
    module_obj = importlib.import_module(obj_path)
    if not hasattr(module_obj, obj_name):
        raise AttributeError(
            "Object `{}` cannot be loaded from `{}`.".format(obj_name, obj_path)
        )
    return getattr(module_obj, obj_name)
